/*!
* \param[in,out] sc Selection collection to use for output.
* \param[in] nr Number of selections to parse
* (if -1, parse as many as provided by the user).
* \param[in] grps External index groups (can be NULL).
* \param[in] bInteractive Whether the parser should behave interactively.
* \returns 0 on success, -1 on error.
*
* The number of selections parsed can be accessed with
* gmx_ana_selcollection_get_count() (note that if you call the parser
* multiple times, this function returns the total count).
*/
int
gmx_ana_selcollection_parse_stdin(gmx_ana_selcollection_t *sc, int nr,
gmx_ana_indexgrps_t *grps, bool bInteractive)
{
gmx_sel_lexer_t *scanner;
_gmx_sel_init_lexer(&scanner, sc, bInteractive);
_gmx_sel_set_lex_input_file(scanner, stdin);
return _gmx_sel_run_parser(scanner, sc, grps, nr);
}
/*!
* \param[in,out] sc Selection collection to use for output.
* \param[in] fnm Name of the file to parse selections from.
* \param[in] grps External index groups (can be NULL).
* \returns 0 on success, -1 on error.
*
* The number of selections parsed can be accessed with
* gmx_ana_selcollection_get_count() (note that if you call the parser
* multiple times, this function returns the total count).
*/
int
gmx_ana_selcollection_parse_file(gmx_ana_selcollection_t *sc, char *fnm,
gmx_ana_indexgrps_t *grps)
{
gmx_sel_lexer_t *scanner;
FILE *fp;
int rc;
_gmx_sel_init_lexer(&scanner, sc, FALSE);
fp = ffopen(fnm, "r");
_gmx_sel_set_lex_input_file(scanner, fp);
rc = _gmx_sel_run_parser(scanner, sc, grps, -1);
fclose(fp);
return rc;
}
SelectionList
SelectionCollection::parseFromFile(const std::string &filename)
{
try
{
yyscan_t scanner;
File file(filename, "r");
// TODO: Exception-safe way of using the lexer.
_gmx_sel_init_lexer(&scanner, &impl_->sc_, false, -1,
impl_->bExternalGroupsSet_,
impl_->grps_);
_gmx_sel_set_lex_input_file(scanner, file.handle());
return runParser(scanner, false, -1, std::string());
}
catch (GromacsException &ex)
{
ex.prependContext(formatString(
"Error in parsing selections from file '%s'",
filename.c_str()));
throw;
}
}
void
SelectionCollection::parseFromFile(const std::string &filename,
std::vector<Selection *> *output)
{
yyscan_t scanner;
FILE *fp;
_gmx_sel_init_lexer(&scanner, &_impl->_sc, false, -1,
_impl->hasFlag(Impl::efExternalGroupsSet),
_impl->_grps);
fp = ffopen(filename.c_str(), "r");
_gmx_sel_set_lex_input_file(scanner, fp);
// TODO: Use RAII
try
{
_impl->runParser(scanner, -1, output);
}
catch (...)
{
ffclose(fp);
throw;
}
ffclose(fp);
}
